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Left to Write: Adaptive Keyboards & Writing Technologies for One-Handed Users
(99percentinvisible.org)
A community for news, discussion, and showing off your mechanical keyboards
That mirrored mode is interesting and made sense to me even before I read the explanation. I'd assumed it only makes sense for using the left hand and that using just the right would need a different version of the keyboard, but there doesn't seem to be a flipped version.